| NWS Forecast for: Willapa and Wahkiakum Lowlands Issued by: National Weather Service Portland, OR Last Update: 1127 PM PDT Sun Aug 16 2026 |  |
| Overnight: Mostly cloudy. Patchy fog. Lows in the mid 50s. Winds light. Monday: Mostly cloudy in the morning, then clearing. Patchy fog in the morning. Highs in the mid 70s. Northwest wind 5 to 10 mph. Monday Night: Partly cloudy in the evening, then becoming cloudy. Patchy fog after midnight. Lows in the mid 50s. West wind 5 to 10 mph. Tuesday: Cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. West wind 5 to 10 mph. Tuesday Night: Mostly cloudy. Lows in the upper 50s. West wind 5 to 10 mph. Wednesday: Cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the mid 50s. Thursday: Mostly sunny. Patchy fog. Highs in the upper 70s. Thursday Night: Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 50s. Friday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain. Highs in the lower 70s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Saturday: Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s. Saturday Night: Mostly cloudy with a 20 percent chance of rain. Lows in the upper 50s. Sunday: Mostly cloudy. Highs in the lower 70s. | |
| Zone Forecast: Willapa and Wahkiakum Lowlands | |
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